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Borax Explained: Uses in Art, Crafts, Cosmetics, & Pest Control

Borax Explained: Uses in Art, Crafts, Cosmetics, & Pest Control

Posted by Bawantha Perera on 24th Jun 2026

Borax is a useful mineral that has been used for many years in homes, workshops, and factories. Although Borax isn't popular in Sri Lanka, this has been a one of the most used essential household chemcials in most of the western countries as a laudry booster and genral purpose cleaning. It is popular because one product can be used for many different purposes. Artists, hobby makers, cosmetic formulators, soap makers, and even homeowners use borax for different applications.

Although borax is often known as a cleaning product, it is also an important ingredient in many art, craft, and cosmetic products. Understanding how borax works can help you choose the right material for your project.

In this guide, we explain what borax is, its properties, common uses, advantages, limitations, and important safety information.

What is Borax?

Borax is a naturally occurring mineral made from sodium, boron, oxygen, and water. Its chemical name is Sodium Tetraborate Decahydrate.

Borax is usually sold as a white crystalline powder or small white crystals. It dissolves easily in warm water and creates a mildly alkaline solution.

Borax is commonly used in:

  • Art and craft projects
  • Cosmetics and personal care products
  • Soap and detergent making
  • Household cleaning
  • Pest control
  • Industrial manufacturing
  • Properties of Borax

Borax has several useful properties that make it suitable for many applications.

  • White crystalline powder
  • Water soluble
  • Mildly alkaline (high pH)
  • Odourless
  • Non-flammable
  • Helps soften water
  • Helps improve cleaning performance
  • Can buffer and stabilize pH
  • Can react with certain polymers to form gels
  • Uses of Borax in Art & Craft

For artists and hobby makers, borax has several useful applications.

1. Slime Making: One of the most popular craft uses of borax is making slime.

When mixed with water, borax solution reacts with PVA glue and creates a flexible gel. This is what gives slime its stretchy texture.

  • Borax helps produce: Stretchy slime, Clear slime, Fluffy slime, Durable slime

Only a small amount is needed.

2. Crystal Growing: Borax is widely used for growing decorative crystals.

By dissolving borax in hot water and allowing the solution to cool slowly, beautiful crystals form on objects like: Pipe cleaners, String, Wooden sticks, Small ornaments

This is a popular science and educational project.

3. Paper Crafts: Borax can sometimes be used in paper-based crafts to improve certain formulations and as part of preservation or treatment processes.

4. Homemade Craft Products: Borax is sometimes used when making: Modeling materials, DIY putty, Educational craft kits, Experiment kits, Uses of Borax in Cosmetics

  • Borax has been used in cosmetics for many years, but usually in small amounts.
  • Today, its use is more limited because many modern ingredients can perform similar functions.
  • Borax may be found in: Cold creams, Cleansing creams, Lotions, Ointments, Bath products

Why is Borax Used?

Borax can: Help stabilize emulsions, Help control pH, Improve product stability & Support the texture of some formulations

Many cosmetic manufacturers now use newer ingredients instead of borax, depending on local regulations and product requirements.

Uses of Borax in Soap & Detergent Making

Borax is commonly used in cleaning products. It can improve the performance of soaps and detergents by helping them work better in hard water.

Borax is used in:

  • Laundry detergents
  • Powder cleaners
  • Dishwashing products
  • Multi-purpose cleaners
  • Fabric care products
  • Benefits
  • Softens water
  • Helps remove stains
  • Improves cleaning efficiency
  • Helps remove odours
  • Supports detergent performance

Uses of Borax for Cleaning

Borax has many household cleaning applications. It is commonly used for cleaning:

  • Floors
  • Tiles
  • Kitchen surfaces
  • Bathrooms
  • Garbage bins
  • Laundry

Many DIY cleaning recipes include borax because it helps remove dirt, grease, and unpleasant smells. However, borax should not be mixed with unknown chemicals. Always follow reliable cleaning instructions.

Uses of Borax for Pest Control

Borax is sometimes used to help control certain household pests. It is commonly used against:

  • Ants
  • Cockroaches
  • Silverfish

Borax is usually mixed with food that attracts insects. The insects carry the borax back to their colony.

Keep borax away from children and pets when using it for pest control.

Borax is not suitable for every application.

Some limitations include:

  • Can irritate eyes and skin
  • Not suitable for food use
  • Should not be swallowed
  • Can damage some delicate surfaces
  • Some cosmetic regulations restrict its use
  • Must be stored in a dry place

Safety Tips: Although borax is useful, it should always be handled carefully.

When using borax:

Keep away from children and pets.
Avoid breathing the powder.
Avoid contact with eyes.
Wear gloves if handling large amounts.
Wash hands after use.
Store in a sealed container.
Keep away from moisture.
Never eat or drink borax.
Follow the manufacturer's instructions.

  • If borax gets into your eyes, rinse immediately with plenty of clean water.
  • If swallowed accidentally, seek medical advice immediately.

Frequently Asked Questions

Question: Is borax the same as boric acid?
Answer: No. Borax and boric acid are different chemicals, although they both contain boron. They are used for different purposes.

Question: Is borax safe?
Answer: Borax is generally safe when used correctly and according to instructions. However, it should not be swallowed and should be kept away from children and pets.

Question: Does borax dissolve in water?
Answer: Yes. Borax dissolves much better in warm or hot water than in cold water.

Question: How should borax be stored?
Answer: Store borax in a tightly sealed container in a cool, dry place away from moisture.

Borax is a useful mineral with many practical uses. It is widely used in art and craft projects, slime making, crystal growing, cosmetics, soap and detergent formulations, household cleaning, and pest control.

Like any chemical, borax should be handled responsibly. Following the recommended safety precautions will help ensure it is used safely and effectively for your projects.